JDubya

Value for the money can be subjective in many cases. You know what you want, you need to find the car that offers you that for the price you're willing to pay.

With that said, in the sports car universe, the Z is typically regarded as good bang for your buck. Its a lot of performance, and most here would agree--aesthetics, for a sports car in the 30k-ish universe.

Why don't you see more on the road? No idea. I actually prefer the exclusivity of the Z club. When you see another, its a nice surprise (and you're usually welcomed with a nice wave from the other driver). Its a good, small community.

1st to 2nd gear is notoriously...interesting in the Z. With that said, you'll get used to it. I have no issues with 1st to 2nd roughness anymore as I did when I first bought it. I love the raw feel of the engine.

I'd add that the 370z and Q50 are entirely different beasts. That is really apples to oranges. I have trouble seeing how the decision of which car to buy is between the two of those. They each offer very different things and are suited for a very specific type of driver. Find out which appeals to what YOU want more, and you'll find your answer.